Perhaps you should try some spelling variations:
thanh duong » thanh huong, thanh cuong, thanh vuong
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh duong » khanh duong, hanh dong, anh duong
hieu lang » chieu sang, hieu quang, nhieu tang
qua trong » quan trong, qua trinh, qua song
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (hieu lang)) - ((hanh duong) OR (thanh duong)) qua trong cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (hieu lang)) - ((hanh duong) OR (thanh duong)) qua trong cong tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (hieu lang)) - ((hanh duong) OR (thanh duong)) qua trong cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (hieu lang)) - ((hanh duong) OR (thanh duong)) qua trong cong tan toan ban*.